Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688133 | Electronic detection circuit for a ground fault circuit interrupter | — | 1987-08-18 |
| 4688134 | Ground fault circuit interrupter and electronic detection circuit | Paul Gernhardt, Ferdinand E. Orbeta | 1987-08-18 |
| 4556863 | Emergency light switch | Charles J. Devitt, Saul I. Slater | 1985-12-03 |